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Scientific American, Vol. 67, No. 23 (1892) (1892)

leaf 3

An illustration from Scientific American, Vol. 67, No. 23 (1892), 1892, leaf 3
grooved rollers running on tracks on supports weight of the train was 4,030,000 pounds or about 2,000 opening the tube No. 2. between the floors, the side edges of the door project- tons. The first operation is begun again, care being taken ing beyond the tracks, so that the door will close the… … protect himself, directs it into the metallic tube. It clutch mechanism in normal position, it is makes its exit between the tails of the coat. It might only necessary to pull downward on one side be made to come out at the center of the back, but in of the chain to close all the doors, or to pull…

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